A Point Particle with Charge Q Is at the Center $\varepsilon$

question 19

Multiple Choice

A point particle with charge q is at the center of a Gaussian surface in the form of a cube. The electric flux through any one face of the cube is:

• A) q/\(\varepsilon\)₀
• B) q/4 \(\pi\)\(\varepsilon\)₀
• C) q/4\(\varepsilon\)₀
• D) q/8\(\varepsilon\)₀
• E) q/16\(\varepsilon\)₀

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Definitions:

Cartel

An agreement among competing firms to control prices or exclude entry of a new competitor in a market, often in order to maximize the members' profits at the expense of consumers.

Herfindahl-Hirschman Index

A measure used to assess the market concentration and competition level within an industry, calculated by squaring the market share of each firm competing in the market and then summing the resulting numbers.

Market Share

The portion of a market controlled by a particular company or product, indicative of competitiveness.

Herfindahl Index

Measures the concentration of market power within an industry, calculated by summing the squares of the market share percentages held by the various firms within the market.